एपीए उद्धरण

Sharma, T. C., & Coutinho, O. (1977). Economic and commercial geography of India. Vikas.

शिकागो स्टाइल उद्धरण

Sharma, T. C., और O. Coutinho. Economic and Commercial Geography of India. New Delhi: Vikas, 1977.

एमएलए उद्धरण

Sharma, T. C., और O. Coutinho. Economic and Commercial Geography of India. Vikas, 1977.